e-numX provides a global telephony service called an E-NUMBER that allows users to make and receive calls from fixed lines, mobile phones, VoIP, and instant messaging services from a single number. This unified communication solution saves customers up to 90% on telecommunication costs compared to traditional phone bills. The e-numX platform integrates e-numbers with popular IM, social media, and mobile networks to provide seamless calling worldwide from any internet-connected device for just one cent per minute.